Statement Of Comprehensive Income [Abstract]

Just Group PLC - Filing #2009931

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of comprehensive income [abstract]
Profit (loss)	– GBP	129,000,000.000000 GBP	– GBP	129,000,000.000000 GBP	– GBP	129,000,000.000000 GBP	129,000,000.000000 GBP	– GBP	– GBP	– GBP	362,000,000.000000 GBP	– GBP	362,000,000.000000 GBP	– GBP	– GBP	362,000,000.000000 GBP	– GBP	362,000,000.000000 GBP
Comprehensive income	– GBP	129,000,000.000000 GBP	– GBP	129,000,000.000000 GBP	– GBP	129,000,000.000000 GBP	129,000,000.000000 GBP	– GBP	– GBP	– GBP	362,000,000.000000 GBP	– GBP	362,000,000.000000 GBP	– GBP	– GBP	362,000,000.000000 GBP	– GBP	362,000,000.000000 GBP